DS, UkLPR, S.P. Foreign 94/204, 364. Endorsed: "Bingley & Pitt/[illeg.]." Docketed: "Papers relating to/the Mercury. Pearce/from Newfoundland/to Barcelona/taken by the Portsmouth/Privateer. John Hart/and Carried to Bilboa/R. 3 Decbr. 1777 from/Messrs. Bingley & Pitt." Enclosed in Lord Weymouth to Lord Grantham, 5 Dec. 1777, ibid., fols. 361-62.